1. Bubuka
This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your Keystone 18,000 BTU Window Air Conditioner. Designed for rooms up to 1000 square feet, this unit offers powerful cooling and effective dehumidification to enhance your indoor comfort.

Figure 1: Keystone 18,000 BTU Window Air Conditioner.
2. Émbaran Kasalametan penting
PERHATOSAN: Produk ieu tiasa ngalaan anjeun ka bahan kimia kalebet timah, anu dipikanyaho ku Nagara California nyababkeun kanker sareng cacad kalahiran atanapi cilaka réproduktif sanés. Kanggo inpo nu leuwih lengkep buka www.P65Warnings.ca.gov.
Always ensure the unit is plugged into a direct, dedicated electrical outlet. Do not use extension cords or power strips with this appliance to prevent electrical hazards and ensure optimal performance.
3. Naon dina Box
Saatos ngabongkar, pastikeun sadaya komponén ieu parantos kalebet:
- Unit AC
- Kadali jauh
- 2 batré AAA
- Mesh air filter (pre-installed)
- Kit instalasi jandela
- Manual pamaké (dokumén ieu)
- Inpo jaminan

Figure 2: Unit dimensions for planning installation.
4. Setup jeung Instalasi
Turutan léngkah ieu pikeun leres masang AC jandela anjeun:
- Window Preparation: Ensure your window is at least 18.5 inches high and has a width between 28 inches (minimum) and 40.5 inches (maximum). The window must allow for clear airflow from the back of the unit.
- Gantelkeun Rel Top: Screw the top rail to the air conditioner unit using the four provided screws.
- Install Accordion Panels: Free the open end of each accordion panel and slide it into the unit. Then, slide the top and bottom rails into place to secure them. Repeat for both panels.
- Posisi Unit: Firmly grip the air conditioner and carefully place it into the window opening. Ensure it is level and securely seated.
- Bukaan segel: If needed, cut the window sash seal foam and insert it into the cracks of the window sashes to prevent air leakage. Additional seal tape can be used to secure any remaining openings after assembly.
- Sambungan Daya: Plug the unit directly into a dedicated 230-volt, 20-amp electrical outlet (NEMA 6-15P plug type). The cable length is approximately 6.5 feet.

Figure 3: Window installation with compatible width.

Figure 4: Required plug type and cable length.
Pituduh Pidéo Instalasi
Video 1: Step-by-step guide on installing the Keystone Window Air Conditioner. This video demonstrates unpacking, attaching panels, and securing the unit in the window.
5. Parentah Operasi
Your Keystone air conditioner offers various modes and settings for optimal comfort.
Control Panel jeung Jauh
The unit can be operated using the integrated control panel or the included remote control. The remote features a built-in thermostat that detects the temperature at its location and adjusts cooling for personalized comfort.

Figure 5: Unit control panel.

Figure 6: Smart remote control with built-in thermostat.
Modeu sarta Fitur
- Modeu tiis: Select from 3 cooling modes to suit your preference.
- Laju kipas: Adjust airflow with 3 fan speeds (Low, Medium, High).
- Dehumidification: The unit can remove up to 3.8 pints of moisture per hour, improving air quality and comfort in humid conditions.
- Adjustable Air Louvers: Direct airflow with 4-way adjustable air louvers.
- Programmable 24-Hour Timer: Set the unit to turn on or off automatically according to your schedule.
- Mode Hemat Énergi: Optimizes energy consumption by cycling the compressor and fan to maintain the set temperature efficiently.
- Modeu Bobo: Gradually increases the room temperature over time to save energy while you sleep, ensuring comfortable conditions without excessive cooling.

Gambar 7: Leuwihview of the unit's 3-in-1 technology.

Figure 8: Sleep mode for energy saving and comfort.
Produk Leuwihview Video
Video 2: Hiji leuwihview of Keystone Window/Wall Air Conditioners, highlighting key features and benefits.
6. Pangropéa
Pangropéa rutin ngajamin kinerja optimal sareng umur panjang tina AC anjeun.
Ngabersihan Saringan Udara
The "Check Filter" alert will illuminate to remind you when it's time to clean the mesh filter. A clean filter is crucial for efficient airflow and cooling performance.
- Carefully remove the mesh air filter from the unit.
- Wash the filter under running water or use a vacuum cleaner to remove dust and debris.
- Allow the filter to dry completely before re-installing it into the unit.

Figure 9: Cleaning the washable removable filter.
7. Cara ngungkulan
If you encounter issues with your air conditioner, refer to the common problems and solutions below:
- Unit teu hurung:
- Ensure the power cord is securely plugged into a dedicated 230V outlet.
- Check your home's circuit breaker or fuse box.
- Verify the unit's power button is pressed and the timer is not set to off.
- Unit teu cooling éféktif:
- Pariksa naha saringan hawa bersih sareng henteu tersumbat.
- Ensure windows and doors in the room are closed to prevent warm air entry.
- Pastikeun setélan suhu langkung handap tibatan suhu kamar.
- Confirm there are no obstructions to the air intake or exhaust vents.
- Sora anu teu biasa:
- A slight rattling or gurgling sound may be normal due to refrigerant flow.
- Ensure the unit is installed level and securely in the window to prevent vibrations.
- Check for any loose parts or debris inside the unit (unplug before inspecting).
- Water dripping from the unit:
- During high humidity, some water dripping from the outdoor side is normal.
- Ensure the unit is slightly tilted outwards to allow proper drainage.
Pikeun masalah pengkuh, mangga ngahubungan rojongan customer.
8. Spésifikasi produk
| Fitur | Rincian |
|---|---|
| Nomer modél | KSTAW18C |
| Kamampuh cooling | 18,000 BTU |
| Wewengkon Cakupan | Nepi ka 1000 Sq.Ft. |
| Voltage | 230 volt |
| Wattage | 1525 watt |
| Laju Dehumidification | 3.8 Pints per Hour |
| Tingkat Sora | 54 dB |
| Ukuran produk (DxWxH) | 23.6 x 25.4 x 17.9 inci |
| Item Beurat | 114.4 pon |
| Jangkungna Minimum | 18.5 inci |
| Window Width Range | 28" - 40.5" |
| Sumber Daya | Kabel Listrik |
| Fitur husus | Dikendalikeun Jarak Jauh, Panginget Lampu Filter, Dehumidifier |
| Rasio Éfisiensi Énergi (SEER) | 11.8 |

Figure 10: EnergyGuide for estimated yearly energy cost and efficiency.
9. Garansi jeung Rojongan
Émbaran jaminan
Your Keystone air conditioner comes with a 1-taun jaminan kawates, mastikeun katengtreman pikiran ngeunaan kualitas sareng kinerja produk.
Rojongan Palanggan
For any questions, technical assistance, or warranty claims, please contact Keystone customer support. Our reliable customer support team is committed to ensuring your satisfaction.
Visit the official Keystone store for more information and support resources: Keystone Store on Amazon





